Light

ZIP Code 63137

St. Louis County, Missouri — North County

20PSF (Ground Snow Load)
LightClassification

What This Means

St. Louis County, Missouri has a light ground snow load of 20 PSF per ASCE 7-22. At this level, most standard residential roofs are designed to handle the load without issue. However, flat or low-slope roofs should still be checked for drifting and sliding snow.

Snow Load Details

ZIP Code63137
CountySt. Louis
CityNorth County
StateMissouri (MO)
Ground Snow Load20 PSF — Light
Classification Range1 - 20 PSF
Data QualityMeasured

Source: ASCE 7-22 ground snow load polygons via ArcGIS

Roof Snow Load Calculator

ASCE 7-22 flat roof formula:  pf = 0.7 × Ce × Ct × Is × pg

Your ground snow load (pg): 20 PSF

Roof Snow Load: 14 PSF

ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.

St. Louis County Snow Load Map

Counties colored by snow load classification. Gray = No Load, Blue = Light, Amber = Moderate, Orange = Heavy, Red = Extreme, Purple = Case Study.

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Nearby ZIP Codes

63134 20 PSF Light 63135 20 PSF Light 63136 20 PSF Light 63138 20 PSF Light 63139 20 PSF Light 63140 20 PSF Light

Frequently Asked Questions

What is the ground snow load for ZIP code 63137?

ZIP code 63137 is in St. Louis County, Missouri, with a ground snow load of 20 PSF, classified as light per ASCE 7-22.

Is my roof strong enough for snow in 63137?

With a light ground snow load of 20 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 63137 in?

ZIP code 63137 is in St. Louis County, Missouri (MO).